How to pick an effective birth control : Life Kit : NPR
5 Important Facts About Over-the-Counter Birth Control Pills - Center for American Progress
How Effective Is Birth Control? Chart with Pill, Shot, Patch, IUD
Non hormonal birth control: All the options - Flo
Mala-N Oral Contraceptive | National Museum of American History
The Relationship of Knowledge to Perceived Benefits and Risks of Oral Contraceptives - Buford T. Lively, H. John Baldwin, Bill R. Carlton, David A. Riley, 1981